FR1426247A - Procédé et circuit de calcul analogique - Google Patents

Procédé et circuit de calcul analogique

Info

Publication number
FR1426247A
FR1426247A FR998444A FR998444A FR1426247A FR 1426247 A FR1426247 A FR 1426247A FR 998444 A FR998444 A FR 998444A FR 998444 A FR998444 A FR 998444A FR 1426247 A FR1426247 A FR 1426247A
Authority
FR
France
Prior art keywords
circuit
calculation method
analog calculation
analog
calculation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR998444A
Other languages
English (en)
Inventor
Roger Charbonnier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rochar Electronique SA
Original Assignee
Rochar Electronique SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rochar Electronique SA filed Critical Rochar Electronique SA
Priority to FR998444A priority Critical patent/FR1426247A/fr
Priority to NL6515146A priority patent/NL6515146A/xx
Priority to DE19651473849 priority patent/DE1473849A1/de
Priority to CH1716765A priority patent/CH445136A/fr
Priority to GB5311565A priority patent/GB1136602A/en
Application granted granted Critical
Publication of FR1426247A publication Critical patent/FR1426247A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/18—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals
    • G06G7/184—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals using capacitive elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
    • G01B17/02—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
    • G06G7/161—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division with pulse modulation, e.g. modulation of amplitude, width, frequency, phase or form

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
FR998444A 1964-12-14 1964-12-14 Procédé et circuit de calcul analogique Expired FR1426247A (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR998444A FR1426247A (fr) 1964-12-14 1964-12-14 Procédé et circuit de calcul analogique
NL6515146A NL6515146A (fr) 1964-12-14 1965-11-22
DE19651473849 DE1473849A1 (de) 1964-12-14 1965-12-11 Ultraschallgeraet zur Messung der Dicke von Gegenstaenden
CH1716765A CH445136A (fr) 1964-12-14 1965-12-13 Dispositif de mesure de l'épaisseur d'un objet
GB5311565A GB1136602A (en) 1964-12-14 1965-12-14 Improvements in thickness-measuring apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR998444A FR1426247A (fr) 1964-12-14 1964-12-14 Procédé et circuit de calcul analogique

Publications (1)

Publication Number Publication Date
FR1426247A true FR1426247A (fr) 1966-01-28

Family

ID=8844680

Family Applications (1)

Application Number Title Priority Date Filing Date
FR998444A Expired FR1426247A (fr) 1964-12-14 1964-12-14 Procédé et circuit de calcul analogique

Country Status (1)

Country Link
FR (1) FR1426247A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2482721A1 (fr) * 1980-05-19 1981-11-20 Neratoom Dispositif pour mesurer l'epaisseur de paroi d'un objet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2482721A1 (fr) * 1980-05-19 1981-11-20 Neratoom Dispositif pour mesurer l'epaisseur de paroi d'un objet

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